US 12,283,582 B2
Pixel and display device including the same
Eun A Yang, Yongin-si (KR); Han Su Kim, Yongin-si (KR); and Woong Bae Kim, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on May 12, 2022, as Appl. No. 17/742,948.
Claims priority of application No. 10-2021-0077900 (KR), filed on Jun. 16, 2021.
Prior Publication US 2022/0406763 A1, Dec. 22, 2022
Int. Cl. H01L 25/16 (2023.01); H01L 23/00 (2006.01); H01L 27/12 (2006.01); H01L 33/50 (2010.01)
CPC H01L 25/167 (2013.01) [H01L 24/95 (2013.01); H01L 27/124 (2013.01); H01L 24/24 (2013.01); H01L 24/25 (2013.01); H01L 33/507 (2013.01); H01L 2224/24051 (2013.01); H01L 2224/24145 (2013.01); H01L 2224/25175 (2013.01); H01L 2224/95102 (2013.01); H01L 2224/95133 (2013.01); H01L 2924/12041 (2013.01); H01L 2933/0091 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a pixel including:
sub-pixels; and
an emission area including sub-emission areas corresponding to the sub-pixels; and
a bank surrounding the emission area, wherein
the pixel includes:
electrodes disposed in each of the sub-emission areas;
at least one light emitting element disposed in each of the sub-emission areas; and
bank patterns disposed under the electrodes, the bank patterns overlapping a portion of the electrodes, the bank patterns include:
a first bank pattern including a first valley, the first bank pattern being disposed in a first edge area of the emission area in a first direction; and
a second bank pattern including a second valley, the second bank pattern being disposed in a second edge area of the emission area in the first direction.